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Finding the Fourth Proportional to 184,601.20, 276,820.80 and 84,728.20

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Solution

The fourth proportional to 184,601.20, 276,820.80 and 84,728.20 is: 127,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,601.20 : 276,820.80 = 84,728.20 : x
  2. Step 2: Convert to fraction form
    184,601.20/276,820.80 = 84,728.20/x
  3. Step 3: Cross multiply
    184,601.20x = 276,820.80 × 84,728.20
  4. Step 4: Simplify right side
    184,601.20x = 23,454,528,106.56
  5. Step 5: Solve for x
    x = 23,454,528,106.56/184,601.20
  6. Step 6: Final answer
    x = 127,055.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.